參數(shù)資料
型號： ADS8380IBRHPR
英文描述： 18-BIT, 600-kHz, PSEUDO-DIFFERENTIAL INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH SERIAL INTERFACE AND REFERENCE
中文描述： 18位，600千赫，偽差分輸入，微采樣模數(shù)位串行接口和參考轉爐
文件頁數(shù)： 18/29頁
文件大小： 1397K
代理商： ADS8380IBRHPR
www.ti.com
t
su4
t
d6
t
w5
t
w5
SAMPLE
CONVERT
t
CONV
Incomplete
Conversion
Incomplete
Conversion
t
CONV
t
acq1
t
d6
WAIT
SAMPLE
CONVERT
WAIT
CS
CONVST
CONVST_QUAL
(Device Internal)
DEVICE STATE
BUSY
DATA READ OPERATION
ADS8380
SLAS387A–NOVEMBER 2004–REVISED DECEMBER 2004
4. Conversion abort command
An ongoing conversion can be aborted by using the conversion abort command. This is done by forcing
another start of conversion (a valid CONVST_QUAL falling edge) onto an ongoing conversion as shown in
Figure 44. The device enters the wait state after an aborted conversion. If the previous conversion was
successfully aborted, the device output reads 0x3FC00 on SDO.
Figure 44. Conversion Abort
Data read control is independent of conversion control. Data can be read either during conversion or during
sampling. Data that is read during a conversion involves latency of one sample. The start of a new data frame
around the fall of BUSY is constrained by t
su2
, t
su3
, t
h2
, and t
h8
.
1. SPI Interface:
A data read operation in SPI interface mode is shown in Figure 45. FS must be tied high for operating in this
mode. The MSB of the output data is available at the falling edge of CS. MSB – 1 is shifted out at the first
rising edge after the first falling edge of SCLK after CS falling edge. Subsequent bits are shifted at the
subsequent rising edges of SCLK. If another data frame is attempted (by pulling CS high and subsequently
low) during an active data frame, then the ongoing frame is aborted and a new frame is started.
18
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ADS8380IBRHPT 18-BIT, 600-kHz, PSEUDO-DIFFERENTIAL INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH SERIAL INTERFACE AND REFERENCE
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相關代理商/技術參數(shù)
參數(shù)描述
ADS8380IBRHPRG4 功能描述:模數(shù)轉換器 - ADC 18-Bit 600KSPS Serial RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
ADS8380IBRHPT 功能描述:模數(shù)轉換器 - ADC 18-Bit 600KSPS Serial RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
ADS8380IBRHPTG4 功能描述:模數(shù)轉換器 - ADC 18-Bit 600KSPS Serial RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
ADS8380IRHPR 功能描述:模數(shù)轉換器 - ADC 18-Bit 600KSPS Serial RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
ADS8380IRHPRG4 功能描述:模數(shù)轉換器 - ADC 18-Bit 600KSPS Serial RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
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